//      初始化3个班级的学生信息 使用2维数组来存储
let stuInfo = [
    [
        { "stuID": "1", "stuName": "bdy", "stuAge": "18", "stuGender": "male", "stuScore": "100", "className": "1班" },
        { "stuID": "2", "stuName": "luc", "stuAge": "23", "stuGender": "female", "stuScore": "89", "className": "1班" },
        { "stuID": "3", "stuName": "lc", "stuAge": "17", "stuGender": "male", "stuScore": "93", "className": "1班" },
        { "stuID": "4", "stuName": "xu", "stuAge": "19", "stuGender": "female", "stuScore": "91", "className": "1班" },
        { "stuID": "5", "stuName": "chao", "stuAge": "20", "stuGender": "male", "stuScore": "95", "className": "1班" }
    ],
    [
        { "stuID": "1", "stuName": "wf", "stuAge": "18", "stuGender": "female", "stuScore": "85", "className": "2班" },
        { "stuID": "2", "stuName": "xtf", "stuAge": "19", "stuGender": "female", "stuScore": "91", "className": "2班" },
        { "stuID": "3", "stuName": "xj", "stuAge": "19", "stuGender": "male", "stuScore": "92", "className": "2班" },
        { "stuID": "4", "stuName": "ls", "stuAge": "21", "stuGender": "male", "stuScore": "94", "className": "2班" },
        { "stuID": "5", "stuName": "xjs", "stuAge": "22", "stuGender": "female", "stuScore": "89", "className": "2班" }
    ],
    [
        { "stuID": "1", "stuName": "yaj", "stuAge": "22", "stuGender": "male", "stuScore": "86", "className": "3班" },
        { "stuID": "2", "stuName": "xj", "stuAge": "25", "stuGender": "female", "stuScore": "89", "className": "3班" },
        { "stuID": "3", "stuName": "xiz", "stuAge": "24", "stuGender": "female", "stuScore": "80", "className": "3班" },
        { "stuID": "4", "stuName": "yhq", "stuAge": "26", "stuGender": "female", "stuScore": "92", "className": "3班" },
        { "stuID": "5", "stuName": "npa", "stuAge": "19", "stuGender": "male", "stuScore": "96", "className": "3班" }
    ]
];
